package com.atguigu.gulimall.ware.config;

import org.springframework.amqp.core.*;
import org.springframework.amqp.rabbit.annotation.RabbitListener;
import org.springframework.amqp.support.converter.Jackson2JsonMessageConverter;
import org.springframework.amqp.support.converter.MessageConverter;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import java.util.HashMap;
import java.util.Map;

/**
 * @author liuzemin
 * @date 2021/3/12 12:51
 * @description
 */
@Configuration
public class MyRabbitConfig {
    /**
     * 使用JSON序列化机制，进行消息转换
     * @return
     */
    @Bean
    public MessageConverter messageConverter(){
        return new Jackson2JsonMessageConverter();
    }

//    @RabbitListener(queues = "stock.release.stock.queue")
//    public void handle(Message message){
//
//    }

    @Bean
    public Exchange stockEventExchange(){
        return new TopicExchange("stock-event-exchange",true,false);
    }

    @Bean
    public Queue stockReleaseStockQueue(){
        return new Queue("stock.release.stock.queue",true,false,false);
    }

    @Bean
    public Queue stockDelayQueue(){
        Map<String, Object> arguments = new HashMap<>();
        /**
         * x-dead-letter-exchange: order-event-exchange
         * x-dead-letter-routing-key: order.release.order
         * x-message-ttl: 60000
         */
        arguments.put("x-dead-letter-exchange","stock-event-exchange");
        arguments.put("x-dead-letter-routing-key","stock.release");
        arguments.put("x-message-ttl",120000);
        return new Queue("stock.delay.queue",true,false,false,arguments);
    }

    @Bean
    public Binding stockReleaseBinding(){
        return new Binding("stock.release.stock.queue", Binding.DestinationType.QUEUE,
                "stock-event-exchange","stock.release.#",null);
    }

    @Bean
    public Binding stockLockedBinding(){
        return new Binding("stock.delay.queue", Binding.DestinationType.QUEUE,
                "stock-event-exchange","stock.locked",null);
    }
}



























